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Power Monitoring and Protection
Power Monitoring and Protection

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209PF, U3889
U3889

Voltage Disconnect Switch Block, CT Shorting Switches

The Model U3889 Voltage Disconnect Switch Block provides a means for disconnecting power monitoring equipment. It provides isolation from line voltage, and will short out and disconnect current transformer secondaries, preventing transformer damage that may occur when the circuit is opened under load. One side of the switch is connected to the circuits being measured; the other side of the switch is connected to the power monitoring equipment. The black plastic cover (209PF) is constructed so that all switches must be in the closed position before the cover can be sealed.



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Features
  • Provides voltage disconnect and CT shorting/disconnect for power instrumentation
  • Available in convenient screw cover enclosure
  • Color-coded switch handles
  • UL recognized
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Specifications

Voltage rating:600V

Current rating:30A

Dimensions:

  Switch:9.5"L x 3.5"W x 2.75"D (24.1x 8.9 x 7 cm)

  Cover (209PF):10.1"L x 4.6"W x 3.1"D (25.7 x 11.7 x 7.9 cm)

Optional enclosure:Metal screw cover box, NEMA 1 12"L x 10"W x 4"D (30.5 x 25.4 x 10.2 cm)

Weight:2.9 lb (1.3 kg), 3.5 lb (1.5 kg) with cover, 11 lb (5 kg) with enclosure

Agency approvals:UL recognized component, File #E109317

Warranty:Lifetime (normal use)

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Certifications
UR

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Products

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QtyModelDescriptionIn StockList PriceInternet Price
209PF 9 POLE SWITCH COVER (BLACK) In Stock45.7036.56
U3889 9 POLE TEST SWITCH In Stock191.36153.09
U3889-E SWITCH BLOCK IN ENCLOSURE In Stock302.49241.99
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